Home / 68,030.70-93,819.54-42,528.96

Finding the Fourth Proportional to 68,030.70, 93,819.54 and 42,528.96

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Solution

The fourth proportional to 68,030.70, 93,819.54 and 42,528.96 is: 58,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,030.70 : 93,819.54 = 42,528.96 : x
  2. Step 2: Convert to fraction form
    68,030.70/93,819.54 = 42,528.96/x
  3. Step 3: Cross multiply
    68,030.70x = 93,819.54 × 42,528.96
  4. Step 4: Simplify right side
    68,030.70x = 3,990,047,463.88
  5. Step 5: Solve for x
    x = 3,990,047,463.88/68,030.70
  6. Step 6: Final answer
    x = 58,650.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.